.export-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
}

.export-dialog {
    background: #1e1e1e;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid #3a3a3a;
}

.export-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #3a3a3a;
    background: #252525;
}

.export-dialog-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

.export-dialog-close {
    background: transparent;
    border: none;
    color: #999;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.export-dialog-close:hover {
    background: #3a3a3a;
    color: #fff;
}

.export-dialog-content {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.export-dialog-content::-webkit-scrollbar {
    width: 10px;
}

.export-dialog-content::-webkit-scrollbar-track {
    background: #1e1e1e;
}

.export-dialog-content::-webkit-scrollbar-thumb {
    background: #424242;
    border-radius: 5px;
}

.export-dialog-content::-webkit-scrollbar-thumb:hover {
    background: #4e4e4e;
}

.export-dialog-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(66, 153, 225, 0.1);
    border: 1px solid rgba(66, 153, 225, 0.3);
    border-radius: 8px;
    color: #4299e1;
    font-size: 14px;
    margin-bottom: 24px;
}

.export-format-options {
    display: flex;
    gap: 16px;
}

.export-format-option {
    flex: 1;
    padding: 20px;
    border: 2px solid #3a3a3a;
    border-radius: 12px;
    background: #252525;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.export-format-option:hover {
    border-color: #4a4a4a;
    background: #2a2a2a;
}

.export-format-option.selected {
    border-color: #4299e1;
    background: rgba(66, 153, 225, 0.1);
}

.export-format-icon {
    color: #4299e1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: rgba(66, 153, 225, 0.1);
    border-radius: 12px;
    margin: 0 auto;
}

.export-format-option.selected .export-format-icon {
    background: rgba(66, 153, 225, 0.2);
}

.export-format-info {
    text-align: center;
}

.export-format-info h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
}

.export-format-desc {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: #999;
    line-height: 1.5;
}

.export-format-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-bottom: 12px;
}

.feature-tag {
    display: inline-block;
    padding: 4px 10px;
    background: #3a3a3a;
    border-radius: 12px;
    font-size: 12px;
    color: #999;
}

.feature-tag.recommended {
    background: rgba(72, 187, 120, 0.2);
    color: #48bb78;
    font-weight: 500;
}

.export-format-option.selected .feature-tag {
    background: rgba(66, 153, 225, 0.15);
    color: #4299e1;
}

.export-format-option.selected .feature-tag.recommended {
    background: rgba(72, 187, 120, 0.2);
    color: #48bb78;
}

.export-format-extension {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: #4299e1;
    padding: 6px 12px;
    background: rgba(66, 153, 225, 0.1);
    border-radius: 6px;
    display: inline-block;
}

.export-dialog-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid #3a3a3a;
    background: #252525;
}

.export-dialog-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.export-dialog-btn-cancel {
    background: transparent;
    color: #999;
    border: 1px solid #3a3a3a;
}

.export-dialog-btn-cancel:hover {
    background: #2a2a2a;
    border-color: #4a4a4a;
    color: #fff;
}

.export-dialog-btn-primary {
    background: #4299e1;
    color: #ffffff;
}

.export-dialog-btn-primary:hover {
    background: #3182ce;
}

.export-dialog-btn-primary:active {
    background: #2c5282;
}

.export-mode-tabs {
    display: flex;
    border-bottom: 1px solid #3a3a3a;
    margin: -24px -24px 20px -24px;
    padding: 0 24px;
}

.export-mode-tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: #999;
    font-size: 13px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.export-mode-tab:hover {
    color: #ccc;
}

.export-mode-tab.active {
    color: #4299e1;
    border-bottom-color: #4299e1;
}

.export-section {
    margin-bottom: 20px;
}

.export-section h4 {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: #ccc;
    font-weight: 500;
}

.export-file-list {
    max-height: 300px;
    overflow-y: auto;
    background: #252525;
    border: 1px solid #3a3a3a;
    border-radius: 6px;
    padding: 8px;
}

.export-file-list::-webkit-scrollbar {
    width: 10px;
}

.export-file-list::-webkit-scrollbar-track {
    background: #1e1e1e;
}

.export-file-list::-webkit-scrollbar-thumb {
    background: #424242;
    border-radius: 5px;
}

.export-file-list::-webkit-scrollbar-thumb:hover {
    background: #4e4e4e;
}

.export-file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 4px;
    transition: background 0.2s;
    margin-bottom: 4px;
}

.export-file-item:last-child {
    margin-bottom: 0;
}

.export-file-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.export-file-item.selected {
    background: rgba(66, 153, 225, 0.1);
}

.export-file-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.export-file-name {
    flex: 1;
    font-size: 12px;
    color: #ccc;
    font-family: 'Consolas', 'Monaco', monospace;
    display: flex;
    align-items: center;
    gap: 6px;
}

.export-file-format {
    padding: 4px 8px;
    background: #2d2d2d;
    border: 1px solid #3a3a3a;
    border-radius: 4px;
    color: #ccc;
    font-size: 11px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
}

.export-file-format:hover {
    border-color: #4a4a4a;
}

.export-file-format:focus {
    border-color: #4299e1;
}